Wikipedia:Identifying and using tertiary sources: Difference between revisions

Revision as of 15:13, 14 November 2018

Revision as of 21:12, 8 February 2019

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There are many types of {{em|typically}} tertiary sources:

* [[Encyclopedia]]s, [[Dictionary|dictionaries]], [[Encyclopedic dictionary|encyclopedic dictionaries]], and [[Compendium|compendia]], (whether general or topical). These are often, but not always, high-quality and reliable sources (compendia are the least likely to be acceptable).

* "[[Coffee table book]]s" and [https://www.goodreads.com/list/show/6486.Best_Bathroom_Books "bathroom books"]. These are low-quality and presumptively unreliable.

* School [[textbooks]], especially below the graduate-school level. If they are below the university level, they are treated as categorically unreliable by Wikipedia.